Smoothens out the area between the donor graft and recipient's stromal bed by gliding over the recipient's cornea.
https://cdn.shopify.com/s/files/1/0605/8249/4420/files/Corneal_Procedures.pdf?v=1643297274,https://cdn.shopify.com/s/files/1/0512/1710/5045/files/RUMEX_Corneal.png?v=1612360271